package sxu.boot11.springboot11.mapper;

import org.apache.ibatis.annotations.Mapper;
import sxu.boot11.springboot11.entity.User;

//@Mapper
public interface UserMapper{
    /**
     * 根据用户名查询用户信息
     * @param username 用户名
     * @return User
     */
    User findByUsername(String username);
}
